Identification of in-hospital complications from claims data: is it valid?
AG Lawthers, EP McCarthy, RB Davis, LE Peterson… - Medical care, 2000 - journals.lww.com
Objectives. This study examined the validity of the Complications Screening Program (CSP)
by testing whether (1) ICD-9-CM codes used to identify a complication are coded completely
and accurately and (2) the CSP algorithm successfully separates conditions present on
admission from those occurring in the hospital. Methods. We compared diagnosis and
procedure codes contained in the Medicare claim with codes abstracted from an
independent re-review of more than 1,200 medical records from Connecticut and California …
by testing whether (1) ICD-9-CM codes used to identify a complication are coded completely
and accurately and (2) the CSP algorithm successfully separates conditions present on
admission from those occurring in the hospital. Methods. We compared diagnosis and
procedure codes contained in the Medicare claim with codes abstracted from an
independent re-review of more than 1,200 medical records from Connecticut and California …
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